Gas-producer feed



0..T. BROWN.

GAS PRODUCER FEED. APPL|cAT|oN-F|LED 1uLY10.1919.

Ytllted 0013. 2li, 1922.

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0. T. BROWN.

GAS PRODUCER FEED.

APPLICATION FILED JuLY1o,1919.

Patented Oct. 24, E922.

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To e525' whom it may coa-cer 1 Ee known tl l, BROWN', a citizen of the ULitsd residing at 3&5 Barrett avenue, Audubon, in the county ofCamdenand State of New Jersey, have invented a certain new and usefulGas-Producer Feed, of which the following isa specification.

My invention relates to feeding mechanisms for supplyin fuel, etc., togas producers, irnaces, k1 nsand the like at intervals and at the sametime sealing against gas discharge therefrom.

The purpose of my invention is to provide a small and eective automaticcontrol for the fuel etc., located back of (generally above) the sealingmechanism.

A furthery purpose is to supply the fuel,

- etc., through a rotary sealing spider or drum to which the fuel is fedfrom above by means of an oscillatory scoop upon which the lcoalis'initially received and rests.

A further purpose is to utilize an oscillatory bottom for the chute andto feed the material therefrom through a seal by withdrawing the bottom.

A further purpose is to utilize 'a movable chute bottom abovea sealingrotem device and to feed the chute contents to t e rotor wholly bywithdrau-'al movement of the bottom.

Further urposes will appear in the speciiicationand) in the claims lhave preferred to illustrate myV invention by but one construction amongthevarivous constructions in which it may be embodied, selecting a formwhich is extremely simple, practical' and inexpensive, but"`is reliablein use and which at the same time well illust-rates the principles ot myinvention. x

Figure 1 is a section of. Figure 2 taken upon line 1-1 thereof.

Figures 2, 3 and 4 are sections corresponding to line 2-2 in Figure 1but with some coal in the chute and a normal charge in each rotorcompartment, and show dierent positions of the parts.

Similar numerals indicate like parts. In'the feedingof fuel and likematerials into a gas producer, kiln or other like furdesirable that thefeed shall he reasonably regular and that the amounts of f becont-rolled wit-hout affecting the opening against discharge neces it isfeed may the sealing of of gas.

In the form which l have illustrated ll have provided for adjustment ofspeed oi' the feeding rotor and adjustment of extent of feed to therotor so `that in both respects variation of the quantity of feed may behad.

ln the drawings l have shoiwn a casing 5 adapted to rest upon the top ofthe producer or kiln and supporting an open-ended cylindrical shell 6within which a rotor 7 is adapted to turn.

The endsl 8 of the rotor close and mal the ends of the shell andthecircumference of the rotor not only here seals against the interior ofthe shell duririg rotation but has bearincr therein.v l have preferredto illus trate this rotor as a spider vhaving blades 9, 9', 9"', 93terminating in slightl enlarged edges 10 grooved at l1 so that dlrt, tarand other mattei' which may accumulate in the grooves nmy assist in thesealing function.

The inner cylindrical shell surface 12 is interruptedv at the top toprovide a filling opening 13, and at the bottom to provide a dischargeopening la. Between these two it is suiiioiently extended on each sideto span the distance between two adjoining ter=z minals l0 so that oneatleast constantly maintains a seal with this surface.

The cylindrical lshell is preferably watercooled by compartments 15having water inlet at 16 and water outlet at 17 connecting with anysuitable water supply. This .oo-nstruction as so far described is myinvention but is not claimed herein, being claimed by me in a copendingapplication `for watercooled feeder for as producers and the like,Serial No. 289, l5, tiled April l2, 1919.

The'lling openi i 13 is shown as directly over the center of t e rotorthough it may .be moved to either side of the center circumerentiallywithout aectingvmy invention, which resides primarily in the mechanismVfor delivering thefuel or other material from any suitable chute orsupply to the maling discharge mechauismn The rotor is shown as carryinga shaft 18 terminating outside the rotor as at'19 and 20. Upon one endof this shaft is located a ratchet wheel 21 and upon the other a gear22. Ifower may be applied to the ratchet wheels-inany of various wellknown ways, of which'one is shown by me ina copending application-Serial#234,400, filed May 14, 1918-providing an adjustable intermittent driveb-y a swinging latch engaging the ratchet teeth. The number' o f teethexposed to the drive can be varied by a movable shield 23 carried by anarm 23, so as to vary the rate of delivery of the fuel. It is not mypurpose to claimv this mechanism here but instead to point out thatdriving means as Well as control for the speed of drive of such a spiderare known and may be used in connection with the delivery mechanismtherefor forming the main subject of my invention.

'In 'the form herein illustrated I have intended to omit the bearingsordinarily used for sup-porting the shaft 18 and use the interiorcylindrical surface of the casing to give bearing for the head of thespider, preventing undue end movement b-y any convenient devicesconventionally shown as guides 24.

I supply the'fuel to the .rotor from above through a chute 25 connectingwith any bin bottom or hopper 25 for storage or supply of coal 26. Forclearness of illustration the coal-which will usually be soft coal, and

- often run-of-the-mine-is shown as but partly filling the chute but inuse would fill it completely. The chute may be cut away as at 27', ifdesired upon the face 27 toward the inlet 13, here, for convenience ofnomenclature considered the side face to increase the outlet provided bythe slope of the b-ottom as hereinafter more fully pointed out. It has aswinging bottom or scoop 28 adapted to receive and retain the body offuel etc., at this po-int except as the scoop bottom itself. acts tofeed the fuel.

The portion 29 of the scoop or bottom is sloped to assistinfeeding thefuel out with movement of the. scoop in one direction. Though not neededfor this purpose, the slope will also retard return movement of the fuelas thebottom swings back. 0n account of this slope in the bottom theswinging bottom is spaced considerably from the bottom of wall 27 evenwithout cutting this wall away, giving a' side outlet here for fueldischarge which may be provided wholly by the spacing of the normaledgeof side 27 of the chute at this point from the scoop bottom or partly bycutting away the side here to give additional outlet vas desired.

' The bottom is shown in Figure 2 in its farthest position to the right,at which it still extends at 28 beyond the side wall 27 of the chute. Inthis position it is preferred that the fuel slope shall be a safe one;i. e.,

one in which no fuel escapes, in order that with clockwise movement ofthe ro-tor, no material may be dropped into the rotor just as 'theblades are closing against the edge 30 ofthe limiting face 31.

Obviously with the position of the parts shown the mechanism could betimed to avoid dropping of fuel within any compartment which was justbeing closed withv an opposite direction of rotor movement in the samefigure.

The swinging chute bottom 28 is supported by a shaft 32 having bearingslying upon the side toward the opening 13 of the center line of thelower p-art of the chute 25. They are formed in the sides 33 of theupper feed swinging movement ma readily. be made adjusta-ble by changein t e length of or point of attachment of the thrust rod 'to eithercrank arm. I have preferred toselect the upper crank arm, choosing twopoints of attachment 40, 40 for the pin 41. The points at which theswinging bottom sto-ps and starts may also readily be adjusted, as byshifting the boss 42 'of the crank arm 39 about theshaft 32 and settingit in the ad-a justed position by set screw 43. The swinging bottom maybe made to close the inlet opening 13 or not in the left hand position(Figure 3) as preferred.

or convenient access to the mechanism I provide an opening v44 closed bydoor 45 pivotedl at 46.

In operation the roto-r is turned constantly or intermittently aspreferred and the swinging bottom is timed to oscillate once for eachcompartment of the rotor, i. e., once for each rotation of a drum andonce for each compartment of a spider, accommodating the type of rotorwhich is used. Since the rotor in the illustration is a spider, noextended dwell or rest of the bottom is provided and the bottom canberocked conveniently by a gear-driven crank as shown. As there are fo-urpockets, the gear 35 is one-quarter the size of the gear 21, giving acomplete oscillation of the bottom for each opening of the rotor.

Though so little fuel would fall from the bottom when in the positionshown in Figure 3 and fuel fall at this point would make so littledifference with thedirection of rotation yindicated that closing of thelinlet 13 by the bottom is not necessary, this opening may so easily beeffectively closed by the nessuno i i Y bottom and amociated pam withthis in view. Except as this closing` may be desired the exact pointwhich the bottom stops closed by extension of t on its clockwi orforward movement'malres little diderenee.

't the right hand. end ofthe movement' of the bottom is desirabie tostop the edge 28" short of the tace 3l to avoid danger of fuel fallingfrom the edge as one of the turn (fuel releasing or discharging) strolreof the bottom with theparts in some such position as seen 1n F1 linoperation: 'Starting with the parts in the position shown in Figure l,with thel fuel resting upon the bottom, the latter is swung forward(clockwise, in the figures) to the position shown in Figure 3, therotor' meantime advancing the compartment last filled so that an emptycompartment opens beneath the endof the bottom. Because of the pressureof the fuel in the chute and the slope of that portionof the bottombeneath it, the coal follows the bottom somewhat as shown'in Figure 3.On the return stroke of the bottom the fuel is dropped into thecompartment as seen in Figure e. Since the bottom and the nearest bladeor vane of the rotor are now movin in the same direction and may begiven t e same or nearly the same peripheral speeds, the fuel mayreadily be dropped into the same part vof the compertinent opening orthe discharging edge of the bottom may be made to gain upon or lose withrespect to' theedge of the blade according to the radii given the parts'and their timing with respect to each other.

The quantity of fuel fed depends upon the extent of outlet at 27'between the wall 27 and the bottom, the ex'tentof slope of the portionof the bottom beneath the chute, the character of the fuel, the pressureabove the fuel outlet, the width of the'bottom, per'A pendicular to thepaper and the length of stroke given the bottom. V The fuel feed maythus be nicely. suited to the. needs and practically all of it may be ffed while the rotor opening is wide open, at the same time that the 0.ening 13 maybeq el bottom beyond face 3l for any desired dwell and anspacing of the edge of the bottom from t e face C?! es 3f may bemaintained to' protect from danger of fuel being caught by dropping be#tween the forward edge of the easing inlet and the trailing edge of therotor opening.

Having thus described my invention, what ciaim as new and desire tosecure by Letters Patent is l. 'in a feed for gas producers and likecoal using devices, a rotor having a corna casing having inlet anddisopenings providing sealing enent with rotor and a supply chute omabove the rotor providing a .v f being movable ithdraw to to-swing ,.L.n the rotor movement. f

2. ln the for pas producers and like o i. g

coal using devices, 'a casing haring cylindrical sealing surfaces, andinlet and 'discharge passages to and from' the cylindrical spacethereof, a rotor therein a compartment provided with an opening adaptedto move into registry with and past the inlet and discharge openings, incombination 'with a supply chute for fuel having an outlet and aswinging bottom for the supply chute adapted to carry fuel upon it outfrom the chute in one direction of movement and to drop the fuel socarried intothe inlet opening with a reverse direction of movement andtimed operating connections between the rotor and the bottom.

3.` ln afeed for gas producers and like coal using devices, a casinghaving cylindrical sealing surfaces, and inlet and discharge passages toand from the cylindrical space' thereof, a rotor therein'having acompartment provided with an opening adapted to move into registry withland past the inlet and discharge'openings, in combination with a supplychute for fuel havingan outlet and a swinging bottom for the supplychute adapted to carry fuelupon it out from the chute in one directionofmovement and effectively close the inlet opeing of the casing and todrop the fuel `so carried into the nlet'opening with a reverse directionof movement and-timed operating connecf tions between the rotor and thebottom` Il. Ina feed' for gas producers and like coal using devices. acasing having cylindrical sealing vsurfacesY and inlet and dischargepassages to and from the cylindrical space thereof, arotor thereinhaving a compartment provided with an opening adapted to move intoregistry with and past the inlet and discharge openings, a supply fuelchute,a bottom for the chute comprising the entire effec-tive supportfor the fuel in the chute and movable from beneath the fuel i3@ to dropthe fuel into the rotor and timed operating connections between therotor and bottom.

charge passages to and from the cylindricalspace thereof, a rotortherein having a compartment provided with an opening adapted to moveinto registry with and past the inlet and discharge openings, incombination with a chute and bottom for the chute movable to carry fueltherefrom out over the inlet opening in one direction of movement and toretract to drop the fuel into the inlet opening in the' oppositedirection of movement. y

6. In a feed for gas producers and like coal using devices, a casinghaving cylindrical sealing surfaces and inlet and discharge passages toand from the cylindrical space thereof, a rotor therein having acompartment provided with an opening adapted to move into-registry withand past the inlet and discharge openings, in combination with a chutefuel supply open at the side and a fuel supporting movable bottom forthe chute, the two affording a side opening and the bottom maintained ata slope down# wardly toward the open side and movable in a direction'across the said inlet opening to withdraw fuel from the chute and in aretracting direction to drop the 'fuel Withdrawn through the inletopening.

7. In a feed for gas producers and like lcoal using devices, a casinghaving cylindrical sealing surfaces and inlet and discharge passages toand from the cylindrical space thereof, a rotor therein having acompartment provided with an opening adapted to move into registry withand past the inlet and discharge openings, and a feed therefor adaptedto carry fuel over the inlet opening on its forward stroke `and to bewithdrawn from under the fuel during the retractiveA movement todischarge the fuel through the opening of the 'rotor.

8. In a feed for gas producers and like coal using devices, acasinghaving `cylindrical sealing surfaces and inlet and discharge passages toand from the cylindrical space thereof, a rotor therein having acompartment provided with an opening adapted l to move into registrywith and past the inlet drical sealing surfaces and inlet and dischargepassages to and from the cylindrical space thereof, a rotor thereinhaving a compartment provided with an opening adapted to move intoregistry with and past the inlet and discharge openings, in combinationwith a fuel delivery chute and an oscillatory curved bottom thereforetimed in agreement with the rotor and so pivoted as to present a slopingsurface -to the fuel in the chute. 10. In a feed for gas producers andlike coal using devices, a casing having cylindrical sealing surfacesand inlet and discharge passages to and from-the cylindrical spacethereof, a rotor therein having a compartment provided with an openingadapted to move into registry with and past the inlet and dischargeopenings, in combination with a chute at one side of the inlet openingand an oscillating bottom for the chute presenting a sloping surface tothe fuel of the chute and spaced from the chute at one' sideto provide apassage, and a connection lwith the rotor to oscillate across the inletopening to withdraw fuel through the side opening and back again todeposit this fuel through the inlet opening.

11. In a feed for gas producers and like coal using devices, a casinghaving cylindrical sealing surfaces and inlet and discharge passages toand from the cylindrical space thereof, a rotor| therein having acompartment provided with` openings adapted to move into registry withand past the inlet anddischarge openings, in combination with a deliverychute for the fuel an oscillatory bottom for said chute, pivoted at theside of the chute axis toward the inlet opening and spaced from the wallat one side to provide an outlet toward the inlet opening and operatingconnections between the rotor and the bottom adapted to move the bottoniacross the inlet opening as a rotor opening passes the inlet opening,carrying fuel with the bottom and to retract the bottom as the with theinlet opening.

. l2. In a feed for gas producers and like coal using devices, a casinghaving cylindrical sealing surfaces anl inlet and discharge passages toand from the cylindrical space thereof, a rotor therein having acompartment provided with an opening adapted to move into registry withand past the inlet and discharge openings, in combination with a closurefor the inlet opening operative to open and deposit fuel in the rotorduring the earlier part of the movement of the rotor when its openingoverlaps the inlet opening and to carry forward another charge forsubsequent deposit during the latter part of the overlapping of therotor opening and the inlet opening.

13. In a feed for gas producers and like passages to and from thecylindrical space thereof, a rotor therein having a compartment providedwith openings adapted to move into registry with and past' the'inlet anddischarge openings, in combination with a fuel supply chute and a fuelfeeding bottom therefor movable across the inlet opening to close thesame vand feed-fuel thereover and with return movement to deposit thefuel there-through and connections beltvveen the rotor and bottom timedto deposit vthe fuel Within the time when the rotor 'and inlet openingsoverlap.

14:. In a feed for gas 'producers and like coal using devices, acasing-.having cylindrical sealing surfaces and inlet and dischargepassages to andv from the cylindrical space thereof, a rotorthereinhavi-ng'a compartment provided with an opening adapted to moveinto registry with and past the inlet and discharge openings,incombination with a fuel chute at one side of the inlet opening abottom therefor comprising a portion of a cylinder pivoted out of linewith the axis of the chute, and spaced from the chute wall to close andopen the same, a crank 'arm' atone side to allow fuel outlet, a crankarm adapted to swing the bottom transversely of the chute to cfoss theinlet opening tending operatively connected with the rotor and aconnection between the arms.

15. In a fuel feed for gas producers and llke coal using devlces, asealing mechanism 'having a movable compartment provided with an openingfor receipt and discharge of the fuel in combination with a fuel feedingmechanism therefor located over the compartment and having a vfueldischarging member movable during discharge in the same direction asthat of the compartment opening.

fcated above said memberV and having swinging movement during deliveryof fuel therefrom in the same direction as the adjoining surface of therotary member.

17. A rotary feeding memberv adapted to receive and discharge fuel Whilesealing against gas leakage therethrough, in combination with anoscillatory scoop thereover, adapted to supply fuel thereto and carryingfuel into position for discharge thereinto during one portion of themovement of the rotary' member and in the reverse movement of the scoopmoving in the same direction as the adjoining surface ofthe rotarymember and dropping the fuel from the scoop which has been carried overthe rotary member.

oAKLLEYVT. BROWN 16. In a fuel feed for gas producers and

